Chelni postizhenii͡a︡ po prilagane na akorda v selskoto stopanstvo.
Contributors: Asot͡s︡iat͡s︡ii͡a︡ "Nat͡s︡ionalen agrarno-promishlen sŭi͡u︡z" (Bulgaria)
Publisher: Asot͡s︡iat͡s︡ii͡a︡ "Nat͡s︡ionalen agrarno-promishlen sŭi͡u︡z"
Published: 1989
Place of publication: Sofii͡a︡
Language: bul
Number of pages: 119